DIFF Subgroup
A61K 31/557 Eicosanoids, e.g. leukotrienes
Introduced: January 1980
Full Title
Medicinal preparations containing organic active ingredients > Eicosanoids, e.g. leukotrienes
IPC and CPC are identically structured here. All 4 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 2000.
Child Classifications
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- A61K 31/5575 having a cyclopentane, e.g. prostaglandin E2, prostaglandin F2-alpha since 2000 IPC+CPC Available in IPC and CPC
- A61K 31/5578 having a pentalene ring system, e.g. carbacyclin, iloprost since 2000 IPC+CPC Available in IPC and CPC
- A61K 31/558 having heterocyclic rings containing oxygen as the only ring hetero atom, e.g. thromboxanes since 2000 IPC+CPC Available in IPC and CPC
- A61K 31/559 having heterocyclic rings containing hetero atoms other than oxygen since 2000 IPC+CPC Available in IPC and CPC